Prazdroj also has over 600 domestic locations that sell its beers from tanks rather than kegs, cutting down on packaging and shipping costs and proving a hit with beer lovers because that beer is unpasteurized.

Unfortunately for SABMiller, for legal and logistical reasons it is unable to capitalize on two advantages Prazdroj enjoys on its home market: its fast-growing nonalcoholic beer and a network of restaurants that pour beer not from kegs, but unpasteurized from airtight tanks.

The debate over the health attributes and risks of raw milk are spilling into statehouses and courtrooms across the country as proponents of unpasteurized dairy products push to make it easier for people to buy them.